The boom for the electret microphone
can be rotated 360 degrees and placed on either side of the headset.
An alternative option of condenser microphones is an electret microphone
. In this case, the immobile armature is a plate of polarized serum.
The students worked under the guidance of James West, a Johns Hopkins research professor in electrical and computer engineering and co-inventor of the electret microphone
technology developed for telephones and used today in almost 90 percent of the more than 2 billion microphones produced each year.
The work of pioneer James West, one of two inventors of the electret microphone
, can be found today in 90 percent of microphones, most telephones and hearing aids.
This current Jets you connect a powered electret microphone
5820-99-280-7276 P14360408 CT/Light Patrol Headset (Green)-- Noise-Canceling (NC) Electret Microphone
The vented, single-sided headset has an NC Electret microphone
fitted to a flexible boom arm.
The headset with noise compensating electret microphone
provides a digital platform for the wireless communication between aircraft cockpit and ground crew, even under the noise from running jet engines or rotors.
Below this control is a 0.25" jack for the supplied, calibrated electret microphone
. The user is cautioned to not use any other microphone in this jack, as the microphone receives power from the R-130, which could damage another microphone.
The Air's noise-cancelling Electret microphone
is a good performer.
The M-55 electret microphone
succeeded in reducing ambient noise in all of our test aircraft--including singles and piston twins--that were equipped with newer and vintage audio systems.